1- What controls the reactivity or how like an element is to bond with another element? HELP PLEAS i need the best response

3.) for each of the following compounds, draw the major organic product of reaction with hcl or naoh and circle whether the starting materials and products will be more soluble in organic solvent or water benzoic acid + hcl: benzoic acid + naoh: oh benzoic acid water/organic water organic fluorenone hс: fluorenone + naoh: fluorenone water/organic water/organic веnzocaine + hci: benzocaine + n»oh: h2n benzocaine water/organic water organic o=

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

What happens when light is scattered?